#WWDC15 Graphics and Games
Graphics and Games What’s New in SpriteKit Session 604 Tim Oriol Norman Wang Tyler Casella © 2015 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple. #WWDC15 What is SpriteKit? What is SpriteKit? 2D graphics framework for games Super easy to use Lets you design your game in the most natural way possible Automatic access to the latest and greatest What is SpriteKit? Supported across iOS and OS X What is SpriteKit? Xcode integrated live editor New Additions Viewport Viewport SKCameraNode Represents the center of the viewport SKScene property Move the camera not the world Static elements can be moved with the camera SKCameraNode SKCameraNode is a SKNode • Actions • Constraints • Rotation • Scale SKCameraNode SKCameraNode is a SKNode • Actions • Constraints • Rotation • Scale SKCameraNode SKCameraNode is a SKNode • Actions • Constraints • Rotation • Scale SKCameraNode SKCameraNode is a SKNode • Actions • Constraints • Rotation • Scale SKCameraNode SKCameraNode is a SKNode • Actions • Constraints • Rotation • Scale SKAudioNode Positional audio Leveraging AVAudioEngine Position calculated via node position SKAudioNode SKAudioNode Listener node property on SKScene Create with filename or URL Full control via avAudioNode property Listener SKAudioNode SKAudioNode Listener SKAudioNode SKAudioNode Listener SKAudioNode SKAudioNode References and Instancing Leverage the NSCoding capability Instances of SKAction and SKNode Reusable components Share across multiple projects SKReferenceNode Place reference nodes Bundle based filename or any URL SKReferenceNode Editor supported SKReferenceNode SKReferenceNode Serialized SpriteKit File Named SKActions Create in Xcode Share and reuse action files [SKAction actionNamed:] [SKAction actionNamed:duration:] SpriteKit Action Files New SKActions Playback control actions play, pause changePlaybackRateTo: duration: changeVolumeTo: duration: Normal texture animation animateWithNormalTextures: New SKActions Playback control actions play, pause changePlaybackRateTo: duration: changeVolumeTo: duration: Normal texture animation animateWithNormalTextures: New SKActions Playback control actions play, pause changePlaybackRateTo: duration: changeVolumeTo: duration: Normal texture animation animateWithNormalTextures: System Integration Metal Backed iOS and Mac Metal backed on devices that support it OpenGL on systems that don't Zero action required for developers All SpriteKit apps automatically upgraded SKShaders automatically upgraded We Speak Swift and Objective-C Nullability enhancements Objective-C generics Enhanced type safety SceneKit SKTransitions Use SKTransitions in SceneKit SceneKit Metal support Automatic context matching GameplayKit Step up your game Entity/Component systems State machines Agents and behaviors Pathfinding AI strategists Random sources Rule systems GameplayKit Pathfinding Pathfinding operates on a navigation graph Graphs are collections of nodes A B Nodes are joined by connections Each connection has an associated cost C D GameplayKit Pathfinding GameplayKit Pathfinding GameplayKit Pathfinding GameplayKit Pathfinding GameplayKit Pathfinding GameplayKit Pathfinding GameplayKit Pathfinding GameplayKit Automatic graph generation If you’re using SpriteKit, we have provided a set of functions to automatically generate these from existing SKNodes. PhysicsBody, texture, or bounds. [SKNode obstaclesFromNodeBounds: nodes] [SKNode obstaclesFromNodePhysicsBodies: nodes] [SKNode obstaclesFromSpriteTextures: nodes accuracy: accuracy] GameplayKit Automatic graph generation If you’re using SpriteKit, we have provided a set of functions to automatically generate these from existing SKNodes. PhysicsBody, texture, or bounds. [SKNode obstaclesFromNodeBounds: nodes] [SKNode obstaclesFromNodePhysicsBodies: nodes] [SKNode obstaclesFromSpriteTextures: nodes accuracy: accuracy] GameplayKit Automatic graph generation If you’re using SpriteKit, we have provided a set of functions to automatically generate these from existing SKNodes. PhysicsBody, texture, or bounds. [SKNode obstaclesFromNodeBounds: nodes] [SKNode obstaclesFromNodePhysicsBodies: nodes] [SKNode obstaclesFromSpriteTextures: nodes accuracy: accuracy] GameplayKit Automatic graph generation If you’re using SpriteKit, we have provided a set of functions to automatically generate these from existing SKNodes. PhysicsBody, texture, or bounds. [SKNode obstaclesFromNodeBounds: nodes] [SKNode obstaclesFromNodePhysicsBodies: nodes] [SKNode obstaclesFromSpriteTextures: nodes accuracy: accuracy] SpriteKit Tools Norman Wang SpriteKit Tools Introduction Games rely on tools for iteration and scalability • Game logic, animation, or art assets Improve work flow and build game faster Focus on building the gameplay + SpriteKit Tools Texture atlas cave_destroyed.png big_tree_middle.png big_tree_base.png cave_top.png cave_base.png minionSplort.png big_tree_top.png SpriteKit Tools Texture atlas SpriteKit Tools Texture atlas SpriteKit Tools Texture atlas in Asset Catalog SpriteKit Tools Texture atlas with On Demand Resources SpriteKit Tools Texture atlas with On Demand Resources SpriteKit Tools Particle editor SpriteKit Tools Particle editor SpriteKit Tools Xcode Quicklook SpriteKit Tools Xcode Quicklook SpriteKit Tools 2D editor Full visual editor for 2D games No more compile and check No code required Visual layout Live physics simulation Live shader editing SpriteKit Tools 2D editor Full visual editor for 2D games No more compile and check No code required Visual layout Live physics simulation Live shader editing SpriteKit Tools New features More editor features this year • Custom classes • Camera • Audio node • Reference node Increased collaboration and reusability SpriteKit Tools New features More editor features this year • Custom classes • Camera • Audio node • Reference node Increased collaboration and reusability SpriteKit Tools New features More editor features this year • Custom classes • Camera • Audio node • Reference node Increased collaboration and reusability SpriteKit Tools New features More editor features this year • Custom classes • Camera • Audio node • Reference node Increased collaboration and reusability SpriteKit Tools Action editor All new action editor Timeline based Realtime preview 2D and 3D support Cinematic and Interactive animations SpriteKit Tools Action editor All new action editor Timeline based Realtime preview 2D and 3D support Cinematic and Interactive animations SpriteKit Tools References and instancing Instances of SKAction and SKNode Reusable components Data-driven model Share across multiple projects Separate resource files No code required SpriteKit Tools Referenced actions Create once, reuse on multiple nodes, projects Reference via editor or code Leveraging the new SKAction actionNamed: Build a custom library of actions Build very complex actions SpriteKit Tools Referenced nodes Create once, reuse on multiple nodes, projects Reference via editor or code Leveraging the new SKReferenceNode API Build a custom library of nodes Share between multiple scenes, and projects SpriteKit Tools Referenced nodes Create once, reuse on multiple nodes, projects Reference via editor or code Leveraging the new SKReferenceNode API Build a custom library of nodes Share between multiple scenes, and projects Demo Building a SpriteKit game Tyler Casella Summary Exciting year for SpriteKit developers • Audio node, Camera node, Reference node, Reference action • All new timeline based action editor • Asset Catalog integration • App Thinning • On Demand Resources • Metal integration • GameplayKit integration More Information SpriteKit Documentation and Videos http://developer.apple.com/spritekit Apple Developer Forums http://developer.apple.com/forums Developer Technical Support http://developer.apple.com/support/technical General Inquiries Allan Schaffer, Game Technologies Evangelist aschaff[email protected] Related Sessions Going Social with ReplayKit and Game Center Mission Wednesday 1:30PM Enhancements to SceneKit Mission Wednesday 2:30PM Introducing GameplayKit Mission Thursday 11:00AM Deeper into GameplayKit with DemoBots Mission Thursday 1:30PM Related Labs SpriteKit Lab Graphics B Wednesday 11:00AM Game Controllers Lab Graphics D Thursday 2:30PM GameplayKit Lab Graphics B Thursday 2:30PM SpriteKit Lab Graphics C Friday 10:00AM
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